Portland stone

Port´land stone´

A yellowish-white calcareous freestone from the Isle of Portland in England, much used in building.

portland stone

[¦pȯrt·lənd ′stōn] (materials) A type of oolitic limestone that consists of fossils cemented together with lime; found only on the Isle of Portland, Dorset, England.

portland stone, Portland limestone

An oölitic limestone which is quarried on the Isle of Portland, off the coast of England; widely used as a building stone in London.

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